( 11x + 21 )° X = ? Find X

Mathematics

1 answer:

ddd [48]3 years ago

5 0

Answer:

THE ANSWER IS........ I LOVE YOU!

Step-by-step explanation:

WHY: choose you every day, and I'm so lucky you choose me, too. You're my first thought every morning and my last thought before I go to sleep. You inspire a love in me that I never knew was possible

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Which equation could represent function R

IgorLugansk [536]

I think the answer would be B that could represent function R

8 0

3 years ago

Y=(x-3)^2-4

Ne4ueva [31]

<h2>Steps:</h2>

Vertex Form: y = a(x - h)² + k with (h,k) as the vertex

So firstly, let's start with the vertex. Since this is in vertex form, we can find the vertex easily. Since 3 is in the h variable and -4 is in the k variable, <u>the vertex is (3,-4).</u>

Next, the axis of symmetry. Remember that the vertex's x-coordinate and the axis of symmetry are the same. In this case, since the vertex's x-coordinate is 3, this means that <u>the axis of symmetry is x = 3.</u>

Next, whether the vertex is a minimum or a maximum. To determine whether it's a minimum or a maximum, we look towards the a variable of the vertex form. If a is negative, then the parabola opens down and the vertex is a maximum. However, if a is positive, then the parabola opens up and the vertex is a minimum. In this case, a = 1 and since 1 is positive, <u>this makes the vertex a minimum.</u>

Next, to find the y-intercept plug 0 into the x-variable and solve:

$y=(0-3)^2-4\\y=(-3)^2-4\\y=9-4\\y=5$

<u>The y-intercept is (0,5).</u>

Next, to find the x-intercepts plug 0 into the y-variable to solve. Since it's a bit less straightforward than finding the y-intercept, I will walk through the steps:

$0=(x-3)^2-4$